Voice Password Based Door Lock System by KitsGuru.com | LGEC159

Hi all, I'm dealing with one project which is voice password based lock system. The voice module I use is elechouse VR3 and the board I use is Arduino Mega. Can anyone knw how to write a code which is similar with the given youtube link below? Let's said I want to make my password 6 digit long. Can anyone suggest on how to write the code? Thanks

people might begin with the examples linked to in the manual.
Paul

@peterjin, your topic has been moved to a more suitable location on the forum as this has nothing to do with Covid.